Reservoirs being alternately filled and emptied for measuring flow rate or delivered volume

Reservoirs being alternately filled and emptied for measuring flow rate or delivered volume · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA61M2205/3396
Official titleReservoirs being alternately filled and emptied for measuring flow rate or delivered volume
Display labelReservoirs being alternately filled and emptied for measuring flow rate or delivered volume
Total patents66

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20166
20177
20185
20194
20208
20216
20226
20235
20247
20257
20263

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC A61M2205/3396?
CPC A61M2205/3396 is the Cooperative Patent Classification code for “Reservoirs being alternately filled and emptied for measuring flow rate or delivered volume.”
How many patents are filed under CPC A61M2205/3396 (Reservoirs being alternately filled and emptied for measuring flow rate or delivered volume)?
Our database includes 66 publications tagged with this CPC code.
Is patent activity under CPC A61M2205/3396 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).